Davis County, UT

ZIP 84075

In ZIP 84075, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hooper Water Improvement District meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 900× California’s Public Health Goal.
• Nearest Superfund site: Hill Air Force Base, 4.0 miles away.
• Largest share of modeled toxic air from industry: Kennecott Utah Copper Smelter & Refinery (56%), mostly arsenic compounds.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 15,863 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 84075

• Superfund sites nearbyD
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA to B
• Drinking water qualityC
• Pesticide useB to C
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsA to B

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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